CSY Series

Pneumatic Rotary Actuator

Pnuematic rotary actuator for valve automation.

pneumatic rotary actuator

Cowan’s Pneumatic Rotary Actuator has a modular design that allows customization to fit specific needs.


  • Double-Acting or Spring-Return
  • Torques up to 2,500,000 in-lb
  • Operating Pressure: 40 – 100 PSIG
  • Modular Design
CSY Series: Pneumatic Rotary Actuator Torque Chart
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Design & Materials

CSY Series: Pneumatic Rotary Actuator Design & Materials

Modular Versatility

CSY Series: Pneumatic Rotary Actuator - Modular Versatility

Control and Monitoring Solutions

Mounting Kits: ISO, MSS & Customized Patterns Available

Mounting Kits
Cowan valve mounting kits can be designed for any rotary valve. Mounting kits available in steel and stainless steel construction.

Automation Packages

Automation Package
Integration of Control Accessories
Solenoid Valves
Pilot Valves
Quick Exhausts

Position Feedback
Limit switches and position sensors
Field-Adjustable for open and close indication
Analog and digital feedback

C-PAC: Cowan Pneumatic Control Manifold

C-PAC Module: Cowan Pneumatic Actuator Control
Compact, Versatile, Simple, Cost Effective
Designed for Linear and 1/4 Turn Actuators
Fail Close, Open, Last or Lock
Cv up to 11.1

Request a Quote

Complete the form to receive a quote within 24 hrs.